Basic Info.
Model NO.
1.67 spin photochromic HMC
Diameter
65/70/75mm
Transmission
> 97%
Keywords
1.67 Spin Photochromic Hmc
Product Description
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00CMGlRPiyZFkU/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
Photochromic lenses are eyeglass lenses that are clear (or nearly clear) indoors and darken automatically when exposed to sunlight. Other terms sometimes used for photochromic lenses include "light-adaptive lenses" and "variable tint lenses."
What is the photochromic lens?
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00dljVhygHwFkq/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
Photochromic lenses typically will not darken inside a vehicle because the windshield glass blocks most UV rays.
1.67 photochromic lens
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00tiKhVQuaanke/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
Product Name | 1.67 Spin Photochromic HMC Lens |
Diameter | 65/70/75MM |
Monomer | MR-7,Imported From Korea |
Abbe value | 32 |
Specific Gravity | 1.35 |
Power Range | SPH: 0.00~+-15.00 CYL: 0.00~-6.00 |
About the Coating
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00QWZhlurKAyce/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
Comparison of physical properties of lenses
MR-8 | MR-7 | MR-174 | Polycarbonate(PC) | NK-55 | CR39 | |
Referactive Index | 1.61 | 1.67 | 1.74 | 1.59 | 1.56 | 1.49 |
Abbe Value | 41 | 32 | 33 | 32 | 37.5 | 58 |
Specific Gravity | 1.30 | 1.35 | 1.47 | 1.20 | 1.28 | 1.32 |
Diameter | 65/70/75 | 65/70/75 | 65/70/75 | 65/70/75 | 55/60/65/72 | 55/60/65/70 |
Impact Resistance | Good | Good | Good | Good | Good | Good |
Static Load Resistance | Good | Good | Good | Good | Good | Good |
Why do we wear the photochormic glass?
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00ThKiWVglnycM/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
About Our Company:
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00tVjhlOgzEnbv/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00fWSVlQgdEyoM/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00flKhVzrCAFbv/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00RishVlrFLnbB/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
![Optical Lenses of Eyeglasses1.67 Spin Photochromic Hmc Photochromic Eyeglass Lenses Transition Lens](http://img6.grofrom.com/www.barislensgroup.com/226f3j00RlshiBzcrNoe/Optical-Lenses-of-Eyeglasses1-67-Spin-Photochromic-Hmc-Photochromic-Eyeglass-Lenses-Transition-Lens.webp)
1. Are your company a manufacturer or a trade company?
We are a manufacturer with many years exporting experience. Our factory is located in Jiangsu province.
2. Can your products be customized?
We accept OEM &ODM orders. Actually most of our products are customized. We will try our best to fulfill your requirements about the material, the size, the printing.
3. How can I get sample from you?
Just send us your requirements, then we will send samples accordingly.
4. How many days will samples be finished? How about mass products?
Generally, we need 5-7 days to finish the sample production.As for the mass products, it depends on your order quantity.
5. How do you control lens quality?
Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out .Four times quality checking during production process.